Where is this cap made?

always replace with factory part as much as you can

Will this fit a 1992 silverado 5.7

As far as I know it was. My husband died back in March. I know he didn't send it back.

will it fit 93 corvette

The picture looks nothing like the RC27. It's metal not plastic. Sorry can't help you with the 93 Vette. I used it on a 93 Cadillac Deville with a 4.9L V8. Not sure if it's to your application, but if yours is plastic - this isn't the one for you. - John

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RC27 Professional 15 P.S.I. Radiator Cap

RC27 Professional 15 P.S.I. Radiator Cap

Product ID: 422169924

Details

Brand
ACDelco
Colour
Natural
Exterior Finish
Stainless
Item dimensions L x W x H
6.4 x 6.1 x
Vehicle Service Type
Car Truck Van

🔥15 P.S.I. pressure rating

🚗Fits most GM models

🛡️Premium aftermarket durability

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733 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Lock in peak engine performance with ACDelco’s pro-grade radiator cap!

PREMIUM BUILD QUALITY - Crafted with stainless steel for long-lasting corrosion resistance and reliability.
OPTIMAL COOLING PRESSURE - Maintains a precise 15 P.S.I. to ensure your engine runs cooler and more efficiently.
TRUSTED BRAND PERFORMANCE - ACDelco’s professional-grade radiator cap delivers dependable sealing and pressurization.
WARRANTY BACKED ASSURANCE - Comes with a 12-month/12,000-mile warranty for peace of mind on every drive.
UNIVERSAL GM COMPATIBILITY - Seamlessly fits a wide range of GM cars, trucks, and vans for ultimate convenience.

The ACDelco RC27 Professional Radiator Cap is a premium aftermarket replacement designed to fit most GM vehicles. Engineered to maintain a 15 P.S.I. pressure, it ensures optimal cooling system performance by securely sealing and pressurizing the radiator. Made from durable stainless steel and backed by a 12-month/12,000-mile warranty, this radiator cap combines reliability with professional-grade quality trusted by millions.

Specifications

ASIN	B000C9SP4W
Automotive Fit Type	Universal Fit
Brand	ACDelco
Brand Name	ACDelco
Colour	Natural
Compatible with Vehicle Type	Car, Truck, Van
Country of Origin	USA
Customer Reviews	4.7 out of 5 stars 1,860 Reviews
Exterior Finish	Stainless Steel
Global Trade Identification Number	00036666946543
Item Dimensions	6.4 x 6.1 x 3.8 Centimeters
Item dimensions L x W x H	6.4 x 6.1 x 3.8 Centimeters
Manufacturer	ACDelco
Manufacturer Part Number	10409635
Manufacturer Warranty Description	12 Months / 12,000 Miles (Parts Only)
Model	RC27
OEM Equivalent Part Number	10409635
Style	Modern
Style Name	Modern
UPC	036666946543
Vehicle Service Type	Car, Truck, Van

Reviews

C**S

6.03.2026

I**.

7.04.2025

J**O

25.05.2025

S**G

25.09.2022

R**D

18.05.2025

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